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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 24, 2003. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 343 | N06 | E60 | 04 | 0030 | Beta | Apr 30, 2003 | May 6, 2003 | May 20, 2003 |
| № 342 | N18 | W21 | 04 | 0020 | Alpha | Apr 23, 2003 | Apr 30, 2003 | May 14, 2003 |
| № 341 | S10 | E50 | 01 | 0010 | Alpha | Apr 29, 2003 | May 6, 2003 | May 19, 2003 |
| № 340 | S06 | E30 | 02 | 0010 | Alpha | Apr 27, 2003 | May 4, 2003 | May 18, 2003 |
| № 339 | N16 | W84 | 05 | 0060 | Beta | Apr 19, 2003 | Apr 25, 2003 | May 9, 2003 |
| № 338 | N18 | W32 | 31 | 0170 | Beta-Gamma | Apr 23, 2003 | Apr 29, 2003 | May 13, 2003 |
| № 337 | S14 | E15 | 19 | 0310 | Beta-Gamma | Apr 26, 2003 | May 3, 2003 | May 17, 2003 |
| № 336 | N13 | W03 | 06 | 0060 | Beta | Apr 25, 2003 | May 2, 2003 | May 15, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to April 2003. The gray background is the average SSN index.
